Optical gas sensor



FIG. 1 is a top perspective view of the ornamental design of the opticalgas sensor, wherein solid lines illustrate upper and lower portions ofthe optical gas sensor, and broken lines illustrate a circuit board andother features that form no part of the claimed ornamental design;

FIG. 2 is a top elevational view of the ornamental design of the opticalgas sensor of FIG. 1;

FIG. 3 is a bottom elevational view of the ornamental design of theoptical gas sensor of FIG. 1;

FIG. 4 is a right elevational side view of the ornamental design of theoptical gas sensor of FIG. 1;

FIG. 5 is a left side elevational view of the ornamental design of theoptical gas sensor of FIG. 1;

FIG. 6 is a rear elevational view of the ornamental design of theoptical gas sensor of FIG. 1; and,

FIG. 7 is a front elevational view of the ornamental design of theoptical gas sensor of FIG. 1.

In these drawings, the solid lines illustrate the claimed ornamentaldesign, whereas the broken lines illustrate environmental features thatfrom no part of the claimed ornamental design.

CLAIM The ornamental design of an optical gas sensor, as shown anddescribed.